CN103927042B - Touch point positioning method and device and electronic device - Google Patents

Touch point positioning method and device and electronic device Download PDF

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Publication number
CN103927042B
CN103927042B CN201310534711.2A CN201310534711A CN103927042B CN 103927042 B CN103927042 B CN 103927042B CN 201310534711 A CN201310534711 A CN 201310534711A CN 103927042 B CN103927042 B CN 103927042B
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China
Prior art keywords
subregion
mark amount
axis direction
touch
touch point
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CN201310534711.2A
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CN103927042A (en
Inventor
王香春
王徐鹏
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Tianma Microelectronics Co Ltd
Shanghai AVIC Optoelectronics Co Ltd
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Tianma Microelectronics Co Ltd
Shanghai AVIC Optoelectronics Co Ltd
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Application filed by Tianma Microelectronics Co Ltd, Shanghai AVIC Optoelectronics Co Ltd filed Critical Tianma Microelectronics Co Ltd
Priority to CN201310534711.2A priority Critical patent/CN103927042B/en
Priority to US14/220,051 priority patent/US20150116258A1/en
Priority to DE201410105214 priority patent/DE102014105214A1/en
Publication of CN103927042A publication Critical patent/CN103927042A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/04166Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G06F3/041661Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving using detection at multiple resolutions, e.g. coarse and fine scanning; using detection within a limited area, e.g. object tracking window

Abstract

The invention discloses a touch point positioning method and device and an electronic device. The method is applied to position a touch area. The touch area includes a plurality of partitions. The method includes: detecting a current value of each flag of each partition and acquiring a standard value of each flag and a preset threshold; determining the touched partition according to the current value of each flag, the standard value of each flag and the preset threshold; scanning the touched partition to position at least one touch point. The invention further discloses the touch point positioning device and the electronic device. The touch point positioning method and device and the electronic device have the advantages that the touched partition is determined and scanned to position the touch point, smaller area is scanned, scanning time is shortened, and touch points can be positioned more efficiently.

Description

A kind of method of positioning touch point, device and electronic equipment
Technical field
The present invention relates to touch screen technology field, more particularly, to a kind of method of positioning touch point, device and electronic equipment.
Background technology
Touch screen is the simplest at present, convenience, naturally a kind of man-machine interaction instrument, is mainly used in public information and looks into The aspects such as inquiry, Industry Control, military commanding, electronic game, choosing song or selecting dish, multimedia teaching.
Touch screen mainly includes resistive touch screen and capacitive touch screen.Capacitive touch screen (capacity touch Panel it is) the metallic conduction material sticking layer of transparent in glass surface, be operated using body current principle of induction.When When finger touches touch screen, scan line is progressively scanned from x-axis direction and y-axis respectively, detects capacitance change, by electricity Capacitance change can determine touch point position.
During determining touch point position, scan line is full frame to touch screen uninterruptedly to be progressively scanned, scanning Area is larger, and it is longer to thereby result in positioning time, positioning touch point inefficiency.
Content of the invention
In view of this, a kind of method of positioning touch point, device and electronic equipment are embodiments provided, to solve The technical problem that background section above is mentioned.
On the one hand, embodiments provide a kind of method of positioning touch point, for the positioning of touch area, its In, described touch area includes multiple subregions, and the method for described positioning touch point includes:
Detect each mark amount currency of each subregion, and obtain each mark amount standard value and default threshold value;
According to each mark amount currency described, described mark amount standard value and described default threshold value, determine to touch and send out Raw partition;
Occur subregion to be scanned described touch, position at least one touch point.
Correspond, the embodiment of the present invention additionally provides a kind of device of positioning touch point, comprising:
Detection acquisition module, for detecting each mark amount currency of each subregion, and obtains each mark amount standard Value and default threshold value;
Determine touch occur division module, for according to each mark amount currency described, described mark amount standard value and Described default threshold value, determines and touches generation subregion;
Scanning positioning module, for occurring subregion to be scanned described touch, positions at least one touch point.
The embodiment of the present invention additionally provides a kind of electronic equipment, comprising: determining described in display unit and above-mentioned any one The device of position touch point.
A kind of method of positioning touch point provided in an embodiment of the present invention, device and electronic equipment, have a characteristic that
Determine to touch and subregion occurs, occur subregion to be scanned positioning touch point to touching, reduce scan area, thus Shorten sweep time, improve the efficiency of positioning touch point.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is a kind of method flow schematic diagram of positioning touch point that the present invention first implements to provide;
Fig. 2 is the present invention first enforcement offer according to each mark amount currency, mark amount standard value and default threshold Value, determines and touches the method flow schematic diagram that subregion occurs;
Fig. 3 is that the present invention first implements offer touch generation subregion is scanned, and positions at least one touch point Method flow schematic diagram;
Fig. 4 is a kind of method flow schematic diagram of positioning touch point that the present invention second implements to provide;
Fig. 5 is a kind of method flow schematic diagram of positioning touch point that the present invention the 3rd implements to provide;
Fig. 6 is a kind of apparatus structure schematic diagram of positioning touch point that the present invention the 4th implements to provide;
Fig. 7 is a kind of apparatus structure schematic diagram of positioning touch point that the present invention the 5th implements to provide;
Fig. 8 is a kind of apparatus structure schematic diagram of positioning touch point that the present invention the 6th implements to provide.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work Apply example, broadly fall into the scope of protection of the invention.
Embodiment one
The embodiment of the present invention one discloses a kind of method of positioning touch point, as shown in Figure 1, comprising:
Step s101, detects each mark amount currency of each subregion, and obtains each mark amount standard value and preset Threshold value.
It would be desirable to the region division of scanning becomes several subregions in step s101, the area of each subregion and shape can With identical can also be different, for example there is the more intensive less subregion of region division area touching, increase number of partitions, Such that it is able to improve the precision of positioning touch point;There is larger the dividing of more sparse region division negligible amounts area touching Area, reduces number of partitions, reduces the power consumption of positioning touch point.
Step s102, according to each mark amount currency, mark amount standard value and default threshold value, determines and touches generation point Area.
In the embodiment of the present invention one step s102, as shown in Fig. 2 specifically including following steps:
Step s1021, compares each mark amount currency and each mark amount standard value, obtains the change of each mark amount Value.Needs illustrate, by the difference between each mark amount currency and each mark amount standard value, as each mark Amount variable quantity.
Step s1022, compares each mark amount variable quantity and default threshold value, and mark amount variable quantity is more than or equal to default Threshold value subregion be touch occur subregion, mark amount variable quantity be less than default threshold value subregion be non-tactile generation subregion.
Step s103, occurs subregion to be scanned to touching, positions at least one touch point.
In embodiment of the present invention step s103, as shown in figure 3, specifically including following steps:
Step s1031, occurs, in subregion, to obtain the crest on mark amount currency and x-axis direction on x-axis direction touching On position coordinateses, with x-axis direction, mark amount standard value is compared, and obtains mark amount change value on x-axis direction;
Step s1032, obtains the crest location coordinate on mark amount currency and y-axis direction on y-axis direction, with y-axis side Mark amount standard value is compared upwards, obtains mark amount change value on y-axis direction;
Step s1033, when on mark amount change value and y-axis direction on x-axis direction, mark amount change value is both greater than default During threshold value, the orthogonal coordinates that the crest location coordinate on crest location coordinate and y-axis direction on x-axis direction overlaps place are to touch The coordinate of point.
Subregion and non-is occurred it can be determined that touching by the method for positioning touch point a kind of disclosed in the embodiment of the present invention one Touch and subregion occurs, drive scan line to occur subregion to be scanned positioning touch point to touching, reduce the scanning plane of scan line Long-pending, thus shortening sweep time, improve the efficiency of positioning touch point.
Embodiment two
The embodiment of the present invention two discloses a kind of method of positioning touch point, as shown in figure 4, comprising the following steps:
Step s201, detects each mark amount currency of each subregion, and obtains each mark amount standard value and preset Threshold value;
Step s202, according to each mark amount currency, mark amount standard value and default threshold value, determines and touches generation point Area;
Step s203, occurs subregion to be scanned to touching, positions at least one touch point, to described touch, subregion occurs While being scanned, occur at least one adjacent subregion of subregion to be scanned to touching, position touch point.
By the method for positioning touch point a kind of disclosed in the embodiment of the present invention two, occur subregion adjacent extremely touch point A few subregion is scanned, and can expand sweep limitss, thus improving positioning touch point precision.
Embodiment three
During prior art carries out positioning touch point, drives line and scan line are constantly in working condition, are touching Touch in position fixing process a little, interfere, produce very big noise.The embodiment of the present invention three is open on the basis of embodiment one A kind of method of positioning touch point, as shown in figure 5,
Step s301, detects each mark amount currency of each subregion, and obtains each mark amount standard value and preset Threshold value;
Step s302, according to each mark amount currency, mark amount standard value and default threshold value, determines and touches generation point Area;
Step s303, stops occurring subregion to be scanned non-tactile.
Step s304, occurs subregion to be scanned to touching, positions at least one touch point.
By the method for positioning touch point a kind of disclosed in the embodiment of the present invention three, non-tactile can be closed subregion occurs Drives line and scan line, stop non-tactile generation area being scanned, such that it is able to reduce between drives line and scan line Interference, improves the precision of positioning touch point, reduces noise simultaneously.
Example IV
The embodiment of the present invention one discloses a kind of method of positioning touch point, corresponds, and the embodiment of the present invention four is public Open a kind of positioning touch point device, as shown in Figure 6, comprising: detection acquisition module 61, determination touch and division module 62 and occurs Scanning positioning module 63.
Need to illustrate, in actual application, detection acquisition module 61 and scanning positioning module 63 are permissible Corresponding drives line and scan line, determine that touching generation division module 62 can correspond to IC chip.Drives line is to scanning Line is charged, thus scan line is scanned to each subregion detecting each standard volume currency of each subregion, and sweeps Retouching line can occur subregion to be scanned obtaining mark amount currency and crest location coordinate on x and y-axis direction to touching.Drive Moving-wire stops being charged to scan line, then scan line stops scanning.Move integrated chip and store each standard volume standard value and pre- If threshold value, and process scan line detection each item data, determine touch occur subregion and positioning touch point.Certainly, above-mentioned right Should be related to as just a kind of example, should not constitute the restriction to the embodiment of the present invention.
Detection acquisition module 61, for detecting each mark amount currency of each subregion, and obtains each mark amount mark , wherein, there is the more intensive less subregion of region division area touching, occur relatively touching in quasi- value and default threshold value For the subregion that the area of sparse region division negligible amounts is larger.
Determine to touch and division module 62 occurs, for according to each mark amount currency, mark amount standard value and default Threshold value, determines and touches generation subregion;
Scanning positioning module 63, for occurring subregion to be scanned to touching, positions at least one touch point.
Determining to touch occurs division module 62 to include, the first comparison module 621 and the second comparison module 622.
First comparison module 621, is used for comparing each mark amount currency and each mark amount standard value, obtains each mark Will amount changing value;
Second comparison module 622, is used for comparing each mark amount variable quantity and default threshold value, and mark amount variable quantity is more than The subregion of default threshold value is to touch subregion, and the subregion that mark amount variable quantity is less than default threshold value is non-tactile generation point Area.
Scanning positioning module 63 includes:
X-axis changing value acquisition module 631, for touch occur subregion in, obtain x-axis direction on mark amount currency and Crest location coordinate on x-axis direction, is compared with mark amount standard value on x-axis direction, obtains and indicates quantitative change on x-axis direction Change value;
Y-axis changing value acquisition module 632, for obtaining the crest position on mark amount currency and y-axis direction on y-axis direction Put coordinate, be compared with mark amount standard value on y-axis direction, obtain mark amount change value on y-axis direction;
Positioning touch point index module 633, for when indicating quantitative change on mark amount change value and y-axis direction on x-axis direction When change value is both greater than default threshold value, the crest location coordinate on crest location coordinate and y-axis direction on x-axis direction overlaps place Orthogonal coordinates be touch point coordinate.
Subregion and non-is occurred it can be determined that touching by the device of positioning touch point a kind of disclosed in the embodiment of the present invention four Touch and subregion occurs, drive scan line to occur subregion to be scanned positioning touch point to touching, reduce the scanning plane of scan line Long-pending, thus shortening sweep time, improve the efficiency of positioning touch point.
Embodiment five
The embodiment of the present invention two discloses a kind of method of positioning touch point, corresponds, and the embodiment of the present invention five is public Open a kind of device of positioning touch point, as shown in fig. 7, comprises: detection acquisition module 71, determination touch and division module occur 72nd, scanning positioning module 73 and adjacent sectors scanning positioning module 74.
Detection acquisition module 71, for detecting each mark amount currency of each subregion, and obtains each mark amount mark , wherein, there is the more intensive less subregion of region division area touching, occur relatively touching in quasi- value and default threshold value For the subregion that the area of sparse region division negligible amounts is larger;
Determine to touch and division module 72 occurs, for according to each mark amount currency, mark amount standard value and default Threshold value, determines and touches generation subregion;
Scanning positioning module 73, for occurring subregion to be scanned to touching, positions at least one touch point.
Adjacent sectors scanning positioning module 74, for touch occur subregion be scanned while, to touch send out At least one adjacent subregion of raw partition is scanned.
By the device of positioning touch point a kind of disclosed in the embodiment of the present invention five, occur subregion adjacent extremely touch point A few subregion is scanned, and can expand sweep limitss, thus improving positioning touch point precision.
Embodiment six
The embodiment of the present invention three discloses a kind of method of positioning touch point, corresponds, and the embodiment of the present invention six is public Open a kind of device of positioning touch point, as shown in Figure 8, comprising: detection acquisition module 81, determination touch and division module occurs 82nd, scan module 83 and scanning positioning module 84 are stopped.
Detection acquisition module 81, for detecting each mark amount currency of each subregion, and obtains each mark amount mark , wherein, there is the more intensive less subregion of region division area touching, occur relatively touching in quasi- value and default threshold value For the subregion that the area of sparse region division negligible amounts is larger;
Determine to touch and division module 82 occurs, for according to each mark amount currency, mark amount standard value and default Threshold value, determines and touches generation subregion;
Stop scan module 83, for according to each mark amount currency, mark amount standard value and default threshold value, really After fixed touch occurs subregion, stop occurring subregion to be scanned non-tactile.
Scanning positioning module 84, for occurring subregion to be scanned to touching, positions at least one touch point.
By the method for positioning touch point a kind of disclosed in the embodiment of the present invention six, non-tactile can be closed subregion occurs Drives line and scan line, stop non-tactile generation area being scanned, such that it is able to reduce between drives line and scan line Interference, improves the precision of positioning touch point, reduces noise simultaneously.
Embodiment seven
The embodiment of the present invention seven discloses a kind of electronic equipment, including in display unit and above-mentioned any one embodiment Described positioning touch point device.
Need to go on to say, display unit can be touch screen.And this electronic equipment can be to run android The operating system platform for Portable movable smart machine of exploitation (Google), ios (being used for of Apple's exploitation The operating system platform of Portable movable smart machine), windows phone (Microsoft exploitation for portable can The operating system platform of intelligent movable equipment) etc. operating system mobile terminal, this mobile terminal can be mobile phone, palm Any one in computer, panel computer etc..The man-machine interaction fixed terminal of touch screen can also be provided with, for example automatically Automatic teller machine.Certainly, said apparatus, as just a kind of example, should not constitute the restriction to the embodiment of the present invention.
Obviously, it will be understood by those skilled in the art that each module of the above-mentioned present invention or each step can be with general Realizing, they can concentrate on single computing device computing device, or is distributed in the net that multiple computing devices are formed On network, alternatively, they can be realized with the executable program code of computer installation, such that it is able to be stored in depositing To be executed by computing device in storage device, or they are fabricated to each integrated circuit modules respectively, or by them Multiple modules or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware Combination with software.
These are only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, The present invention can have various change and change.All any modifications made within spirit and principles of the present invention, equivalent, Improve etc., should be included within the scope of the present invention.

Claims (11)

1. a kind of method of positioning touch point, for the positioning of touch area, wherein said touch area includes multiple subregions, its It is characterised by, the method for described positioning touch point includes:
Detect each mark amount currency of each subregion, and obtain each mark amount standard value and default threshold value, wherein, Touch and the more intensive less subregion of region division area occurs, touching, more sparse region division negligible amounts occur The larger subregion of area;
According to each mark amount currency described, described mark amount standard value and described default threshold value, determine and touch generation point Area;
Occur subregion to be scanned described touch, position at least one touch point.
2. the method for positioning touch point according to claim 1 is it is characterised in that occur subregion to sweep described touch While retouching, also include,
Occur at least one adjacent described subregion of subregion to be scanned to described touch, position described touch point.
3. the method for positioning touch point according to claim 1 is it is characterised in that each mark amount described in described foundation is worked as Front value, mark amount standard value and default threshold value, determine that described subregion is to touch to occur the step of subregion to include,
Each mark amount currency relatively more described and each mark amount standard value described, obtain each mark amount changing value;
Each mark amount variable quantity relatively more described and described default threshold value, described mark amount variable quantity is more than or equal to described pre- If threshold value described subregion be described touch occur subregion, described mark amount variable quantity be less than described default threshold value described There is subregion for non-tactile in subregion.
4. the method for positioning touch point according to claim 3 is it is characterised in that each mark amount described in described foundation is worked as Front value, described mark amount standard value and described default threshold value, determine and also include after touching the step that subregion occurs:
Stop occurring subregion to be scanned described non-tactile.
5. the method for the positioning touch point according to claim 1 or 2 any one is it is characterised in that described touch to described Touch generation subregion to be scanned, the step positioning at least one touch point includes:
Occur in subregion in described touch, the crest location obtaining on described mark amount currency and x-axis direction on x-axis direction is sat Mark, is compared with mark amount standard value described on x-axis direction, obtains described mark amount changing value on x-axis direction;
Obtain the crest location coordinate on described mark amount currency and y-axis direction on y-axis direction, with described mark on y-axis direction Will amount standard value is compared, and obtains described mark amount changing value on y-axis direction;
When on mark amount changing value described on x-axis direction and y-axis direction, described mark amount changing value is both greater than described default threshold During value, the crest location coordinate on crest location coordinate and described y-axis direction on described x-axis direction overlaps the orthogonal coordinates at place Coordinate for described touch point.
6. a kind of device of positioning touch point is it is characterised in that include:
Detection acquisition module, for detecting each mark amount currency of each subregion, and obtain each mark amount standard value and , wherein, there is the more intensive less subregion of region division area touching, generation is more sparse touching in default threshold value Region division negligible amounts the larger subregion of area;
Determine to touch and division module occurs, for according to each mark amount currency described, described mark amount standard value and described Default threshold value, determines and touches generation subregion;
Scanning positioning module, for occurring subregion to be scanned described touch, positions at least one touch point.
7. the device of positioning touch point according to claim 6 is it is characterised in that also include,
Adjacent sectors scanning positioning module, for while occurring subregion to be scanned described touch, to described touch At least one the described subregion occurring subregion adjacent is scanned.
8. there is division module it is characterised in that described determination touches in the device of positioning touch point according to claim 6 Including,
First comparison module, for each mark amount currency relatively more described and each mark amount standard value described, obtains each Mark amount changing value;
Second comparison module, for each mark amount variable quantity relatively more described and described default threshold value, described mark amount change Amount is that described touch occurs subregion more than the described subregion of described default threshold value, and described mark amount variable quantity is less than described default Threshold value described subregion be non-tactile occur subregion.
9. the device of positioning touch point according to claim 8 is it is characterised in that described device also includes:
Stop scan module, for according to each mark amount currency described, described mark amount standard value and described default Threshold value, determines after touching generation subregion, stops occurring subregion to be scanned described non-tactile.
10. the device of the positioning touch point according to claim 6 or 7 any one is it is characterised in that described Scan orientation Module includes:
X-axis changing value acquisition module, for occurring, in subregion, to obtain described mark amount currency on x-axis direction in described touch With the crest location coordinate on x-axis direction, it is compared with mark amount standard value described on x-axis direction, obtain institute on x-axis direction State mark amount changing value;
Y-axis changing value acquisition module, for obtaining the crest location on described mark amount currency and y-axis direction on y-axis direction On coordinate, with y-axis direction, described mark amount standard value is compared, and obtains described mark amount changing value on y-axis direction;
Positioning touch point index module, for when described mark quantitative change on mark amount changing value described on x-axis direction and y-axis direction When change value is both greater than described default threshold value, the crest position on the crest location coordinate on described x-axis direction and described y-axis direction The orthogonal coordinates putting the coordinate place of overlapping are the coordinate of described touch point.
11. a kind of electronic equipments are it is characterised in that include: display unit and determining as described in claim 6-10 any one The device of position touch point.
CN201310534711.2A 2013-10-31 2013-10-31 Touch point positioning method and device and electronic device Active CN103927042B (en)

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CN201310534711.2A CN103927042B (en) 2013-10-31 2013-10-31 Touch point positioning method and device and electronic device
US14/220,051 US20150116258A1 (en) 2013-10-31 2014-03-19 Method and device for locating touch point and electronic equipment
DE201410105214 DE102014105214A1 (en) 2013-10-31 2014-04-11 Method and device for locating a touch point, and electronic device

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CN103927042A (en) 2014-07-16
DE102014105214A8 (en) 2015-06-25
US20150116258A1 (en) 2015-04-30

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